USGS Water-Year Summary 2023
12308500 KOOTENAI RIVER AT CROSSPORT NEAR BONNERS FERRY, ID
LOCATION - Lat 48°42'06", long 116°14'33" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.29, T.62 N., R.2 E., Boundary County, ID, Hydrologic Unit 17010104, Moyie Springs quad., on left bank, 3.9 miles downstream from Moyie River, 4.2 miles upstream of Bonners Ferry and at mile 157.
DRAINAGE AREA - 12,950 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1927 to September 1960 (published as "at Boom Camp"), February 2013 to current year.
GAGE - Water-stage recorder. Datum of gage is 1,700.00 ft. above NAVD 1988. Prior to October 1960 at site 130 ft. downstream, datum of gage was 1700.00 ft. above NGVD 1929, supplementary adjustment of 1947 is 0.04 ft. higher. Datum of gage was 54.08 ft. higher prior to October 8, 1934.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 1,781.38 ft. May 24, 1956; minimum elevation, 1,755.53 ft. December 9, 1936, datum then in use.